Home / 75,013.83-103,513.95-42,744.51

Finding the Fourth Proportional to 75,013.83, 103,513.95 and 42,744.51

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Solution

The fourth proportional to 75,013.83, 103,513.95 and 42,744.51 is: 58,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.83 : 103,513.95 = 42,744.51 : x
  2. Step 2: Convert to fraction form
    75,013.83/103,513.95 = 42,744.51/x
  3. Step 3: Cross multiply
    75,013.83x = 103,513.95 × 42,744.51
  4. Step 4: Simplify right side
    75,013.83x = 4,424,653,070.91
  5. Step 5: Solve for x
    x = 4,424,653,070.91/75,013.83
  6. Step 6: Final answer
    x = 58,984.50

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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.