Home / 71,681.07-98,925.86-39,852.93

Finding the Fourth Proportional to 71,681.07, 98,925.86 and 39,852.93

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Solution

The fourth proportional to 71,681.07, 98,925.86 and 39,852.93 is: 55,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,681.07 : 98,925.86 = 39,852.93 : x
  2. Step 2: Convert to fraction form
    71,681.07/98,925.86 = 39,852.93/x
  3. Step 3: Cross multiply
    71,681.07x = 98,925.86 × 39,852.93
  4. Step 4: Simplify right side
    71,681.07x = 3,942,485,373.77
  5. Step 5: Solve for x
    x = 3,942,485,373.77/71,681.07
  6. Step 6: Final answer
    x = 55,000.37

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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.