Home / 88,165.68-121,666.46-50,437.50

Finding the Fourth Proportional to 88,165.68, 121,666.46 and 50,437.50

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Solution

The fourth proportional to 88,165.68, 121,666.46 and 50,437.50 is: 69,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.68 : 121,666.46 = 50,437.50 : x
  2. Step 2: Convert to fraction form
    88,165.68/121,666.46 = 50,437.50/x
  3. Step 3: Cross multiply
    88,165.68x = 121,666.46 × 50,437.50
  4. Step 4: Simplify right side
    88,165.68x = 6,136,551,824.06
  5. Step 5: Solve for x
    x = 6,136,551,824.06/88,165.68
  6. Step 6: Final answer
    x = 69,602.50

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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.