Home / 85,130.16-117,478.50-46,888.98

Finding the Fourth Proportional to 85,130.16, 117,478.50 and 46,888.98

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Solution

The fourth proportional to 85,130.16, 117,478.50 and 46,888.98 is: 64,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130.16 : 117,478.50 = 46,888.98 : x
  2. Step 2: Convert to fraction form
    85,130.16/117,478.50 = 46,888.98/x
  3. Step 3: Cross multiply
    85,130.16x = 117,478.50 × 46,888.98
  4. Step 4: Simplify right side
    85,130.16x = 5,508,447,036.93
  5. Step 5: Solve for x
    x = 5,508,447,036.93/85,130.16
  6. Step 6: Final answer
    x = 64,706.18

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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.