Home / 66,458.08-99,703.93-22,085.06

Finding the Fourth Proportional to 66,458.08, 99,703.93 and 22,085.06

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Solution

The fourth proportional to 66,458.08, 99,703.93 and 22,085.06 is: 33,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,458.08 : 99,703.93 = 22,085.06 : x
  2. Step 2: Convert to fraction form
    66,458.08/99,703.93 = 22,085.06/x
  3. Step 3: Cross multiply
    66,458.08x = 99,703.93 × 22,085.06
  4. Step 4: Simplify right side
    66,458.08x = 2,201,967,276.29
  5. Step 5: Solve for x
    x = 2,201,967,276.29/66,458.08
  6. Step 6: Final answer
    x = 33,133.18

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1.5x scale

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.