Home / 91,848.14-126,756.10-61,168.63

Finding the Fourth Proportional to 91,848.14, 126,756.10 and 61,168.63

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Solution

The fourth proportional to 91,848.14, 126,756.10 and 61,168.63 is: 84,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,848.14 : 126,756.10 = 61,168.63 : x
  2. Step 2: Convert to fraction form
    91,848.14/126,756.10 = 61,168.63/x
  3. Step 3: Cross multiply
    91,848.14x = 126,756.10 × 61,168.63
  4. Step 4: Simplify right side
    91,848.14x = 7,753,496,981.14
  5. Step 5: Solve for x
    x = 7,753,496,981.14/91,848.14
  6. Step 6: Final answer
    x = 84,416.48

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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.