Home / 99,117.41-136,782.16-53,795.39

Finding the Fourth Proportional to 99,117.41, 136,782.16 and 53,795.39

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Solution

The fourth proportional to 99,117.41, 136,782.16 and 53,795.39 is: 74,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,117.41 : 136,782.16 = 53,795.39 : x
  2. Step 2: Convert to fraction form
    99,117.41/136,782.16 = 53,795.39/x
  3. Step 3: Cross multiply
    99,117.41x = 136,782.16 × 53,795.39
  4. Step 4: Simplify right side
    99,117.41x = 7,358,249,642.24
  5. Step 5: Solve for x
    x = 7,358,249,642.24/99,117.41
  6. Step 6: Final answer
    x = 74,237.71

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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.