Home / 89,023.40-133,535.10-42,367.40

Finding the Fourth Proportional to 89,023.40, 133,535.10 and 42,367.40

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Solution

The fourth proportional to 89,023.40, 133,535.10 and 42,367.40 is: 63,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.40 : 133,535.10 = 42,367.40 : x
  2. Step 2: Convert to fraction form
    89,023.40/133,535.10 = 42,367.40/x
  3. Step 3: Cross multiply
    89,023.40x = 133,535.10 × 42,367.40
  4. Step 4: Simplify right side
    89,023.40x = 5,657,534,995.74
  5. Step 5: Solve for x
    x = 5,657,534,995.74/89,023.40
  6. Step 6: Final answer
    x = 63,551.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.