Home / 112,686.06-155,510.10-62,385.06

Finding the Fourth Proportional to 112,686.06, 155,510.10 and 62,385.06

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Solution

The fourth proportional to 112,686.06, 155,510.10 and 62,385.06 is: 86,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,686.06 : 155,510.10 = 62,385.06 : x
  2. Step 2: Convert to fraction form
    112,686.06/155,510.10 = 62,385.06/x
  3. Step 3: Cross multiply
    112,686.06x = 155,510.10 × 62,385.06
  4. Step 4: Simplify right side
    112,686.06x = 9,701,506,919.11
  5. Step 5: Solve for x
    x = 9,701,506,919.11/112,686.06
  6. Step 6: Final answer
    x = 86,093.23

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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.