Home / 77,031.24-106,302.38-43,045.58

Finding the Fourth Proportional to 77,031.24, 106,302.38 and 43,045.58

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Solution

The fourth proportional to 77,031.24, 106,302.38 and 43,045.58 is: 59,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.24 : 106,302.38 = 43,045.58 : x
  2. Step 2: Convert to fraction form
    77,031.24/106,302.38 = 43,045.58/x
  3. Step 3: Cross multiply
    77,031.24x = 106,302.38 × 43,045.58
  4. Step 4: Simplify right side
    77,031.24x = 4,575,847,653.01
  5. Step 5: Solve for x
    x = 4,575,847,653.01/77,031.24
  6. Step 6: Final answer
    x = 59,402.50

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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.