Home / 80,678.16-111,335.40-44,866.08

Finding the Fourth Proportional to 80,678.16, 111,335.40 and 44,866.08

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Solution

The fourth proportional to 80,678.16, 111,335.40 and 44,866.08 is: 61,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,678.16 : 111,335.40 = 44,866.08 : x
  2. Step 2: Convert to fraction form
    80,678.16/111,335.40 = 44,866.08/x
  3. Step 3: Cross multiply
    80,678.16x = 111,335.40 × 44,866.08
  4. Step 4: Simplify right side
    80,678.16x = 4,995,182,963.23
  5. Step 5: Solve for x
    x = 4,995,182,963.23/80,678.16
  6. Step 6: Final answer
    x = 61,914.93

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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.