Home / 112,715.16-155,545.02-62,413.08

Finding the Fourth Proportional to 112,715.16, 155,545.02 and 62,413.08

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Solution

The fourth proportional to 112,715.16, 155,545.02 and 62,413.08 is: 86,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715.16 : 155,545.02 = 62,413.08 : x
  2. Step 2: Convert to fraction form
    112,715.16/155,545.02 = 62,413.08/x
  3. Step 3: Cross multiply
    112,715.16x = 155,545.02 × 62,413.08
  4. Step 4: Simplify right side
    112,715.16x = 9,708,043,776.86
  5. Step 5: Solve for x
    x = 9,708,043,776.86/112,715.16
  6. Step 6: Final answer
    x = 86,129.00

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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.