Home / 92,860.49-128,140.48-52,565.02

Finding the Fourth Proportional to 92,860.49, 128,140.48 and 52,565.02

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Solution

The fourth proportional to 92,860.49, 128,140.48 and 52,565.02 is: 72,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,860.49 : 128,140.48 = 52,565.02 : x
  2. Step 2: Convert to fraction form
    92,860.49/128,140.48 = 52,565.02/x
  3. Step 3: Cross multiply
    92,860.49x = 128,140.48 × 52,565.02
  4. Step 4: Simplify right side
    92,860.49x = 6,735,706,639.36
  5. Step 5: Solve for x
    x = 6,735,706,639.36/92,860.49
  6. Step 6: Final answer
    x = 72,535.76

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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.