Home / 83,395.32-115,085.36-45,154.68

Finding the Fourth Proportional to 83,395.32, 115,085.36 and 45,154.68

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Solution

The fourth proportional to 83,395.32, 115,085.36 and 45,154.68 is: 62,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.32 : 115,085.36 = 45,154.68 : x
  2. Step 2: Convert to fraction form
    83,395.32/115,085.36 = 45,154.68/x
  3. Step 3: Cross multiply
    83,395.32x = 115,085.36 × 45,154.68
  4. Step 4: Simplify right side
    83,395.32x = 5,196,642,603.48
  5. Step 5: Solve for x
    x = 5,196,642,603.48/83,395.32
  6. Step 6: Final answer
    x = 62,313.36

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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.