Home / 109,138.02-163,705.47-59,534.02

Finding the Fourth Proportional to 109,138.02, 163,705.47 and 59,534.02

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Solution

The fourth proportional to 109,138.02, 163,705.47 and 59,534.02 is: 89,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,138.02 : 163,705.47 = 59,534.02 : x
  2. Step 2: Convert to fraction form
    109,138.02/163,705.47 = 59,534.02/x
  3. Step 3: Cross multiply
    109,138.02x = 163,705.47 × 59,534.02
  4. Step 4: Simplify right side
    109,138.02x = 9,746,044,725.09
  5. Step 5: Solve for x
    x = 9,746,044,725.09/109,138.02
  6. Step 6: Final answer
    x = 89,300.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.