Home / 61,320.66-84,686.76-42,250.02

Finding the Fourth Proportional to 61,320.66, 84,686.76 and 42,250.02

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Solution

The fourth proportional to 61,320.66, 84,686.76 and 42,250.02 is: 58,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,320.66 : 84,686.76 = 42,250.02 : x
  2. Step 2: Convert to fraction form
    61,320.66/84,686.76 = 42,250.02/x
  3. Step 3: Cross multiply
    61,320.66x = 84,686.76 × 42,250.02
  4. Step 4: Simplify right side
    61,320.66x = 3,578,017,303.74
  5. Step 5: Solve for x
    x = 3,578,017,303.74/61,320.66
  6. Step 6: Final answer
    x = 58,349.30

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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.