Home / 93,075.60-139,613.40-57,646.20

Finding the Fourth Proportional to 93,075.60, 139,613.40 and 57,646.20

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Solution

The fourth proportional to 93,075.60, 139,613.40 and 57,646.20 is: 86,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,075.60 : 139,613.40 = 57,646.20 : x
  2. Step 2: Convert to fraction form
    93,075.60/139,613.40 = 57,646.20/x
  3. Step 3: Cross multiply
    93,075.60x = 139,613.40 × 57,646.20
  4. Step 4: Simplify right side
    93,075.60x = 8,048,181,979.08
  5. Step 5: Solve for x
    x = 8,048,181,979.08/93,075.60
  6. Step 6: Final answer
    x = 86,469.30

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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.