Home / 86,530.00-129,794.40-46,567.78

Finding the Fourth Proportional to 86,530.00, 129,794.40 and 46,567.78

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Solution

The fourth proportional to 86,530.00, 129,794.40 and 46,567.78 is: 69,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,530.00 : 129,794.40 = 46,567.78 : x
  2. Step 2: Convert to fraction form
    86,530.00/129,794.40 = 46,567.78/x
  3. Step 3: Cross multiply
    86,530.00x = 129,794.40 × 46,567.78
  4. Step 4: Simplify right side
    86,530.00x = 6,044,237,483.97
  5. Step 5: Solve for x
    x = 6,044,237,483.97/86,530.00
  6. Step 6: Final answer
    x = 69,851.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.