Home / 84,870.40-117,121.18-46,632.40

Finding the Fourth Proportional to 84,870.40, 117,121.18 and 46,632.40

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Solution

The fourth proportional to 84,870.40, 117,121.18 and 46,632.40 is: 64,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,870.40 : 117,121.18 = 46,632.40 : x
  2. Step 2: Convert to fraction form
    84,870.40/117,121.18 = 46,632.40/x
  3. Step 3: Cross multiply
    84,870.40x = 117,121.18 × 46,632.40
  4. Step 4: Simplify right side
    84,870.40x = 5,461,641,714.23
  5. Step 5: Solve for x
    x = 5,461,641,714.23/84,870.40
  6. Step 6: Final answer
    x = 64,352.73

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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.