Home / 83,395.09-115,085.28-45,154.67

Finding the Fourth Proportional to 83,395.09, 115,085.28 and 45,154.67

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Solution

The fourth proportional to 83,395.09, 115,085.28 and 45,154.67 is: 62,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.09 : 115,085.28 = 45,154.67 : x
  2. Step 2: Convert to fraction form
    83,395.09/115,085.28 = 45,154.67/x
  3. Step 3: Cross multiply
    83,395.09x = 115,085.28 × 45,154.67
  4. Step 4: Simplify right side
    83,395.09x = 5,196,637,665.43
  5. Step 5: Solve for x
    x = 5,196,637,665.43/83,395.09
  6. Step 6: Final answer
    x = 62,313.47

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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.