Home / 93,870.08-129,537.60-56,124.80

Finding the Fourth Proportional to 93,870.08, 129,537.60 and 56,124.80

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Solution

The fourth proportional to 93,870.08, 129,537.60 and 56,124.80 is: 77,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,870.08 : 129,537.60 = 56,124.80 : x
  2. Step 2: Convert to fraction form
    93,870.08/129,537.60 = 56,124.80/x
  3. Step 3: Cross multiply
    93,870.08x = 129,537.60 × 56,124.80
  4. Step 4: Simplify right side
    93,870.08x = 7,270,271,892.48
  5. Step 5: Solve for x
    x = 7,270,271,892.48/93,870.08
  6. Step 6: Final answer
    x = 77,450.36

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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.