Home / 86,953.48-130,377.74-47,455.72

Finding the Fourth Proportional to 86,953.48, 130,377.74 and 47,455.72

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Solution

The fourth proportional to 86,953.48, 130,377.74 and 47,455.72 is: 71,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,953.48 : 130,377.74 = 47,455.72 : x
  2. Step 2: Convert to fraction form
    86,953.48/130,377.74 = 47,455.72/x
  3. Step 3: Cross multiply
    86,953.48x = 130,377.74 × 47,455.72
  4. Step 4: Simplify right side
    86,953.48x = 6,187,169,523.67
  5. Step 5: Solve for x
    x = 6,187,169,523.67/86,953.48
  6. Step 6: Final answer
    x = 71,154.94

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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.