Home / 83,543.81-115,276.03-47,228.67

Finding the Fourth Proportional to 83,543.81, 115,276.03 and 47,228.67

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Solution

The fourth proportional to 83,543.81, 115,276.03 and 47,228.67 is: 65,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,543.81 : 115,276.03 = 47,228.67 : x
  2. Step 2: Convert to fraction form
    83,543.81/115,276.03 = 47,228.67/x
  3. Step 3: Cross multiply
    83,543.81x = 115,276.03 × 47,228.67
  4. Step 4: Simplify right side
    83,543.81x = 5,444,333,461.71
  5. Step 5: Solve for x
    x = 5,444,333,461.71/83,543.81
  6. Step 6: Final answer
    x = 65,167.41

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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.