Home / 93,060.04-128,467.47-57,280.72

Finding the Fourth Proportional to 93,060.04, 128,467.47 and 57,280.72

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Solution

The fourth proportional to 93,060.04, 128,467.47 and 57,280.72 is: 79,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,060.04 : 128,467.47 = 57,280.72 : x
  2. Step 2: Convert to fraction form
    93,060.04/128,467.47 = 57,280.72/x
  3. Step 3: Cross multiply
    93,060.04x = 128,467.47 × 57,280.72
  4. Step 4: Simplify right side
    93,060.04x = 7,358,709,178.18
  5. Step 5: Solve for x
    x = 7,358,709,178.18/93,060.04
  6. Step 6: Final answer
    x = 79,074.86

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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.