Home / 61,164.10-91,746.15-42,501.70

Finding the Fourth Proportional to 61,164.10, 91,746.15 and 42,501.70

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Solution

The fourth proportional to 61,164.10, 91,746.15 and 42,501.70 is: 63,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,164.10 : 91,746.15 = 42,501.70 : x
  2. Step 2: Convert to fraction form
    61,164.10/91,746.15 = 42,501.70/x
  3. Step 3: Cross multiply
    61,164.10x = 91,746.15 × 42,501.70
  4. Step 4: Simplify right side
    61,164.10x = 3,899,367,343.46
  5. Step 5: Solve for x
    x = 3,899,367,343.46/61,164.10
  6. Step 6: Final answer
    x = 63,752.55

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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.