Home / 106,411.48-146,854.08-61,089.55

Finding the Fourth Proportional to 106,411.48, 146,854.08 and 61,089.55

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Solution

The fourth proportional to 106,411.48, 146,854.08 and 61,089.55 is: 84,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,411.48 : 146,854.08 = 61,089.55 : x
  2. Step 2: Convert to fraction form
    106,411.48/146,854.08 = 61,089.55/x
  3. Step 3: Cross multiply
    106,411.48x = 146,854.08 × 61,089.55
  4. Step 4: Simplify right side
    106,411.48x = 8,971,249,662.86
  5. Step 5: Solve for x
    x = 8,971,249,662.86/106,411.48
  6. Step 6: Final answer
    x = 84,307.16

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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.