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Finding the Fourth Proportional to 90,337.58, 124,655.58 and 50,041.30

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Solution

The fourth proportional to 90,337.58, 124,655.58 and 50,041.30 is: 69,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,337.58 : 124,655.58 = 50,041.30 : x
  2. Step 2: Convert to fraction form
    90,337.58/124,655.58 = 50,041.30/x
  3. Step 3: Cross multiply
    90,337.58x = 124,655.58 × 50,041.30
  4. Step 4: Simplify right side
    90,337.58x = 6,237,927,275.45
  5. Step 5: Solve for x
    x = 6,237,927,275.45/90,337.58
  6. Step 6: Final answer
    x = 69,051.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.