Home / 92,880.04-128,279.84-62,613.36

Finding the Fourth Proportional to 92,880.04, 128,279.84 and 62,613.36

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Solution

The fourth proportional to 92,880.04, 128,279.84 and 62,613.36 is: 86,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880.04 : 128,279.84 = 62,613.36 : x
  2. Step 2: Convert to fraction form
    92,880.04/128,279.84 = 62,613.36/x
  3. Step 3: Cross multiply
    92,880.04x = 128,279.84 × 62,613.36
  4. Step 4: Simplify right side
    92,880.04x = 8,032,031,802.66
  5. Step 5: Solve for x
    x = 8,032,031,802.66/92,880.04
  6. Step 6: Final answer
    x = 86,477.48

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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.