Home / 70,307.39-97,024.13-39,686.93

Finding the Fourth Proportional to 70,307.39, 97,024.13 and 39,686.93

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Solution

The fourth proportional to 70,307.39, 97,024.13 and 39,686.93 is: 54,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,307.39 : 97,024.13 = 39,686.93 : x
  2. Step 2: Convert to fraction form
    70,307.39/97,024.13 = 39,686.93/x
  3. Step 3: Cross multiply
    70,307.39x = 97,024.13 × 39,686.93
  4. Step 4: Simplify right side
    70,307.39x = 3,850,589,796.35
  5. Step 5: Solve for x
    x = 3,850,589,796.35/70,307.39
  6. Step 6: Final answer
    x = 54,767.93

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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.