Home / 71,277.04-98,365.40-39,445.95

Finding the Fourth Proportional to 71,277.04, 98,365.40 and 39,445.95

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Solution

The fourth proportional to 71,277.04, 98,365.40 and 39,445.95 is: 54,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,277.04 : 98,365.40 = 39,445.95 : x
  2. Step 2: Convert to fraction form
    71,277.04/98,365.40 = 39,445.95/x
  3. Step 3: Cross multiply
    71,277.04x = 98,365.40 × 39,445.95
  4. Step 4: Simplify right side
    71,277.04x = 3,880,116,650.13
  5. Step 5: Solve for x
    x = 3,880,116,650.13/71,277.04
  6. Step 6: Final answer
    x = 54,437.12

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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.