Home / 112,543.32-155,303.42-61,545.93

Finding the Fourth Proportional to 112,543.32, 155,303.42 and 61,545.93

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Solution

The fourth proportional to 112,543.32, 155,303.42 and 61,545.93 is: 84,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,543.32 : 155,303.42 = 61,545.93 : x
  2. Step 2: Convert to fraction form
    112,543.32/155,303.42 = 61,545.93/x
  3. Step 3: Cross multiply
    112,543.32x = 155,303.42 × 61,545.93
  4. Step 4: Simplify right side
    112,543.32x = 9,558,293,416.08
  5. Step 5: Solve for x
    x = 9,558,293,416.08/112,543.32
  6. Step 6: Final answer
    x = 84,929.90

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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.