Home / 77,555.60-116,265.36-40,036.40

Finding the Fourth Proportional to 77,555.60, 116,265.36 and 40,036.40

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Solution

The fourth proportional to 77,555.60, 116,265.36 and 40,036.40 is: 60,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.60 : 116,265.36 = 40,036.40 : x
  2. Step 2: Convert to fraction form
    77,555.60/116,265.36 = 40,036.40/x
  3. Step 3: Cross multiply
    77,555.60x = 116,265.36 × 40,036.40
  4. Step 4: Simplify right side
    77,555.60x = 4,654,846,459.10
  5. Step 5: Solve for x
    x = 4,654,846,459.10/77,555.60
  6. Step 6: Final answer
    x = 60,019.48

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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.