Home / 93,719.13-129,329.19-53,445.87

Finding the Fourth Proportional to 93,719.13, 129,329.19 and 53,445.87

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Solution

The fourth proportional to 93,719.13, 129,329.19 and 53,445.87 is: 73,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,719.13 : 129,329.19 = 53,445.87 : x
  2. Step 2: Convert to fraction form
    93,719.13/129,329.19 = 53,445.87/x
  3. Step 3: Cross multiply
    93,719.13x = 129,329.19 × 53,445.87
  4. Step 4: Simplify right side
    93,719.13x = 6,912,111,075.95
  5. Step 5: Solve for x
    x = 6,912,111,075.95/93,719.13
  6. Step 6: Final answer
    x = 73,753.47

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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.