Home / 104,683.16-144,463.50-56,938.04

Finding the Fourth Proportional to 104,683.16, 144,463.50 and 56,938.04

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Solution

The fourth proportional to 104,683.16, 144,463.50 and 56,938.04 is: 78,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,683.16 : 144,463.50 = 56,938.04 : x
  2. Step 2: Convert to fraction form
    104,683.16/144,463.50 = 56,938.04/x
  3. Step 3: Cross multiply
    104,683.16x = 144,463.50 × 56,938.04
  4. Step 4: Simplify right side
    104,683.16x = 8,225,468,541.54
  5. Step 5: Solve for x
    x = 8,225,468,541.54/104,683.16
  6. Step 6: Final answer
    x = 78,574.90

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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.