Home / 70,306.83-97,026.32-38,478.51

Finding the Fourth Proportional to 70,306.83, 97,026.32 and 38,478.51

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Solution

The fourth proportional to 70,306.83, 97,026.32 and 38,478.51 is: 53,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,306.83 : 97,026.32 = 38,478.51 : x
  2. Step 2: Convert to fraction form
    70,306.83/97,026.32 = 38,478.51/x
  3. Step 3: Cross multiply
    70,306.83x = 97,026.32 × 38,478.51
  4. Step 4: Simplify right side
    70,306.83x = 3,733,428,031.99
  5. Step 5: Solve for x
    x = 3,733,428,031.99/70,306.83
  6. Step 6: Final answer
    x = 53,101.93

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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.