Home / 112,597.16-155,386.05-61,614.35

Finding the Fourth Proportional to 112,597.16, 155,386.05 and 61,614.35

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Solution

The fourth proportional to 112,597.16, 155,386.05 and 61,614.35 is: 85,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.16 : 155,386.05 = 61,614.35 : x
  2. Step 2: Convert to fraction form
    112,597.16/155,386.05 = 61,614.35/x
  3. Step 3: Cross multiply
    112,597.16x = 155,386.05 × 61,614.35
  4. Step 4: Simplify right side
    112,597.16x = 9,574,010,469.82
  5. Step 5: Solve for x
    x = 9,574,010,469.82/112,597.16
  6. Step 6: Final answer
    x = 85,028.88

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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.