Home / 94,720.48-130,710.32-52,278.40

Finding the Fourth Proportional to 94,720.48, 130,710.32 and 52,278.40

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Solution

The fourth proportional to 94,720.48, 130,710.32 and 52,278.40 is: 72,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,720.48 : 130,710.32 = 52,278.40 : x
  2. Step 2: Convert to fraction form
    94,720.48/130,710.32 = 52,278.40/x
  3. Step 3: Cross multiply
    94,720.48x = 130,710.32 × 52,278.40
  4. Step 4: Simplify right side
    94,720.48x = 6,833,326,393.09
  5. Step 5: Solve for x
    x = 6,833,326,393.09/94,720.48
  6. Step 6: Final answer
    x = 72,142.02

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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.