Home / 111,925.16-154,456.44-61,624.16

Finding the Fourth Proportional to 111,925.16, 154,456.44 and 61,624.16

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Solution

The fourth proportional to 111,925.16, 154,456.44 and 61,624.16 is: 85,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,925.16 : 154,456.44 = 61,624.16 : x
  2. Step 2: Convert to fraction form
    111,925.16/154,456.44 = 61,624.16/x
  3. Step 3: Cross multiply
    111,925.16x = 154,456.44 × 61,624.16
  4. Step 4: Simplify right side
    111,925.16x = 9,518,248,371.59
  5. Step 5: Solve for x
    x = 9,518,248,371.59/111,925.16
  6. Step 6: Final answer
    x = 85,041.19

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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.