Home / 83,897.48-115,779.34-46,172.60

Finding the Fourth Proportional to 83,897.48, 115,779.34 and 46,172.60

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Solution

The fourth proportional to 83,897.48, 115,779.34 and 46,172.60 is: 63,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,897.48 : 115,779.34 = 46,172.60 : x
  2. Step 2: Convert to fraction form
    83,897.48/115,779.34 = 46,172.60/x
  3. Step 3: Cross multiply
    83,897.48x = 115,779.34 × 46,172.60
  4. Step 4: Simplify right side
    83,897.48x = 5,345,833,154.08
  5. Step 5: Solve for x
    x = 5,345,833,154.08/83,897.48
  6. Step 6: Final answer
    x = 63,718.64

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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.