Home / 105,598.17-145,706.99-60,255.45

Finding the Fourth Proportional to 105,598.17, 145,706.99 and 60,255.45

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Solution

The fourth proportional to 105,598.17, 145,706.99 and 60,255.45 is: 83,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,598.17 : 145,706.99 = 60,255.45 : x
  2. Step 2: Convert to fraction form
    105,598.17/145,706.99 = 60,255.45/x
  3. Step 3: Cross multiply
    105,598.17x = 145,706.99 × 60,255.45
  4. Step 4: Simplify right side
    105,598.17x = 8,779,639,949.32
  5. Step 5: Solve for x
    x = 8,779,639,949.32/105,598.17
  6. Step 6: Final answer
    x = 83,141.97

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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.