Home / 86,030.00-118,740.36-47,802.66

Finding the Fourth Proportional to 86,030.00, 118,740.36 and 47,802.66

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Solution

The fourth proportional to 86,030.00, 118,740.36 and 47,802.66 is: 65,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,030.00 : 118,740.36 = 47,802.66 : x
  2. Step 2: Convert to fraction form
    86,030.00/118,740.36 = 47,802.66/x
  3. Step 3: Cross multiply
    86,030.00x = 118,740.36 × 47,802.66
  4. Step 4: Simplify right side
    86,030.00x = 5,676,104,791.34
  5. Step 5: Solve for x
    x = 5,676,104,791.34/86,030.00
  6. Step 6: Final answer
    x = 65,978.20

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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.