Home / 60,985.43-84,148.80-35,139.95

Finding the Fourth Proportional to 60,985.43, 84,148.80 and 35,139.95

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Solution

The fourth proportional to 60,985.43, 84,148.80 and 35,139.95 is: 48,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,985.43 : 84,148.80 = 35,139.95 : x
  2. Step 2: Convert to fraction form
    60,985.43/84,148.80 = 35,139.95/x
  3. Step 3: Cross multiply
    60,985.43x = 84,148.80 × 35,139.95
  4. Step 4: Simplify right side
    60,985.43x = 2,956,984,203.82
  5. Step 5: Solve for x
    x = 2,956,984,203.82/60,985.43
  6. Step 6: Final answer
    x = 48,486.74

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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.