Home / 104,439.16-144,128.28-59,117.20

Finding the Fourth Proportional to 104,439.16, 144,128.28 and 59,117.20

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Solution

The fourth proportional to 104,439.16, 144,128.28 and 59,117.20 is: 81,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.16 : 144,128.28 = 59,117.20 : x
  2. Step 2: Convert to fraction form
    104,439.16/144,128.28 = 59,117.20/x
  3. Step 3: Cross multiply
    104,439.16x = 144,128.28 × 59,117.20
  4. Step 4: Simplify right side
    104,439.16x = 8,520,460,354.42
  5. Step 5: Solve for x
    x = 8,520,460,354.42/104,439.16
  6. Step 6: Final answer
    x = 81,583.00

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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.