Home / 78,032.90-107,686.78-44,048.18

Finding the Fourth Proportional to 78,032.90, 107,686.78 and 44,048.18

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Solution

The fourth proportional to 78,032.90, 107,686.78 and 44,048.18 is: 60,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032.90 : 107,686.78 = 44,048.18 : x
  2. Step 2: Convert to fraction form
    78,032.90/107,686.78 = 44,048.18/x
  3. Step 3: Cross multiply
    78,032.90x = 107,686.78 × 44,048.18
  4. Step 4: Simplify right side
    78,032.90x = 4,743,406,020.51
  5. Step 5: Solve for x
    x = 4,743,406,020.51/78,032.90
  6. Step 6: Final answer
    x = 60,787.26

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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.