Home / 74,126.16-102,293.10-42,295.59

Finding the Fourth Proportional to 74,126.16, 102,293.10 and 42,295.59

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Solution

The fourth proportional to 74,126.16, 102,293.10 and 42,295.59 is: 58,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.16 : 102,293.10 = 42,295.59 : x
  2. Step 2: Convert to fraction form
    74,126.16/102,293.10 = 42,295.59/x
  3. Step 3: Cross multiply
    74,126.16x = 102,293.10 × 42,295.59
  4. Step 4: Simplify right side
    74,126.16x = 4,326,547,017.43
  5. Step 5: Solve for x
    x = 4,326,547,017.43/74,126.16
  6. Step 6: Final answer
    x = 58,367.34

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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.