Home / 92,973.61-128,301.06-52,686.37

Finding the Fourth Proportional to 92,973.61, 128,301.06 and 52,686.37

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Solution

The fourth proportional to 92,973.61, 128,301.06 and 52,686.37 is: 72,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.61 : 128,301.06 = 52,686.37 : x
  2. Step 2: Convert to fraction form
    92,973.61/128,301.06 = 52,686.37/x
  3. Step 3: Cross multiply
    92,973.61x = 128,301.06 × 52,686.37
  4. Step 4: Simplify right side
    92,973.61x = 6,759,717,118.55
  5. Step 5: Solve for x
    x = 6,759,717,118.55/92,973.61
  6. Step 6: Final answer
    x = 72,705.76

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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.