Home / 71,113.53-98,139.51-40,898.84

Finding the Fourth Proportional to 71,113.53, 98,139.51 and 40,898.84

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Solution

The fourth proportional to 71,113.53, 98,139.51 and 40,898.84 is: 56,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,113.53 : 98,139.51 = 40,898.84 : x
  2. Step 2: Convert to fraction form
    71,113.53/98,139.51 = 40,898.84/x
  3. Step 3: Cross multiply
    71,113.53x = 98,139.51 × 40,898.84
  4. Step 4: Simplify right side
    71,113.53x = 4,013,792,117.17
  5. Step 5: Solve for x
    x = 4,013,792,117.17/71,113.53
  6. Step 6: Final answer
    x = 56,442.03

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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.