Home / 70,986.74-97,972.31-45,521.86

Finding the Fourth Proportional to 70,986.74, 97,972.31 and 45,521.86

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Solution

The fourth proportional to 70,986.74, 97,972.31 and 45,521.86 is: 62,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986.74 : 97,972.31 = 45,521.86 : x
  2. Step 2: Convert to fraction form
    70,986.74/97,972.31 = 45,521.86/x
  3. Step 3: Cross multiply
    70,986.74x = 97,972.31 × 45,521.86
  4. Step 4: Simplify right side
    70,986.74x = 4,459,881,307.16
  5. Step 5: Solve for x
    x = 4,459,881,307.16/70,986.74
  6. Step 6: Final answer
    x = 62,826.96

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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.