Home / 70,017.92-96,596.16-42,779.84

Finding the Fourth Proportional to 70,017.92, 96,596.16 and 42,779.84

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Solution

The fourth proportional to 70,017.92, 96,596.16 and 42,779.84 is: 59,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,017.92 : 96,596.16 = 42,779.84 : x
  2. Step 2: Convert to fraction form
    70,017.92/96,596.16 = 42,779.84/x
  3. Step 3: Cross multiply
    70,017.92x = 96,596.16 × 42,779.84
  4. Step 4: Simplify right side
    70,017.92x = 4,132,368,269.41
  5. Step 5: Solve for x
    x = 4,132,368,269.41/70,017.92
  6. Step 6: Final answer
    x = 59,018.72

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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.