Home / 88,688.88-133,055.40-26,357.68

Finding the Fourth Proportional to 88,688.88, 133,055.40 and 26,357.68

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Solution

The fourth proportional to 88,688.88, 133,055.40 and 26,357.68 is: 39,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.88 : 133,055.40 = 26,357.68 : x
  2. Step 2: Convert to fraction form
    88,688.88/133,055.40 = 26,357.68/x
  3. Step 3: Cross multiply
    88,688.88x = 133,055.40 × 26,357.68
  4. Step 4: Simplify right side
    88,688.88x = 3,507,031,655.47
  5. Step 5: Solve for x
    x = 3,507,031,655.47/88,688.88
  6. Step 6: Final answer
    x = 39,543.08

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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.