Home / 74,365.93-111,549.03-52,278.13

Finding the Fourth Proportional to 74,365.93, 111,549.03 and 52,278.13

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Solution

The fourth proportional to 74,365.93, 111,549.03 and 52,278.13 is: 78,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,365.93 : 111,549.03 = 52,278.13 : x
  2. Step 2: Convert to fraction form
    74,365.93/111,549.03 = 52,278.13/x
  3. Step 3: Cross multiply
    74,365.93x = 111,549.03 × 52,278.13
  4. Step 4: Simplify right side
    74,365.93x = 5,831,574,691.71
  5. Step 5: Solve for x
    x = 5,831,574,691.71/74,365.93
  6. Step 6: Final answer
    x = 78,417.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.