Home / 77,032.96-106,322.88-48,774.40

Finding the Fourth Proportional to 77,032.96, 106,322.88 and 48,774.40

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Solution

The fourth proportional to 77,032.96, 106,322.88 and 48,774.40 is: 67,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,032.96 : 106,322.88 = 48,774.40 : x
  2. Step 2: Convert to fraction form
    77,032.96/106,322.88 = 48,774.40/x
  3. Step 3: Cross multiply
    77,032.96x = 106,322.88 × 48,774.40
  4. Step 4: Simplify right side
    77,032.96x = 5,185,834,678.27
  5. Step 5: Solve for x
    x = 5,185,834,678.27/77,032.96
  6. Step 6: Final answer
    x = 67,319.69

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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.