Home / 93,254.16-128,707.40-55,011.36

Finding the Fourth Proportional to 93,254.16, 128,707.40 and 55,011.36

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Solution

The fourth proportional to 93,254.16, 128,707.40 and 55,011.36 is: 75,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,254.16 : 128,707.40 = 55,011.36 : x
  2. Step 2: Convert to fraction form
    93,254.16/128,707.40 = 55,011.36/x
  3. Step 3: Cross multiply
    93,254.16x = 128,707.40 × 55,011.36
  4. Step 4: Simplify right side
    93,254.16x = 7,080,369,116.06
  5. Step 5: Solve for x
    x = 7,080,369,116.06/93,254.16
  6. Step 6: Final answer
    x = 75,925.50

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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.