Home / 93,047.84-128,435.29-52,788.36

Finding the Fourth Proportional to 93,047.84, 128,435.29 and 52,788.36

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Solution

The fourth proportional to 93,047.84, 128,435.29 and 52,788.36 is: 72,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,047.84 : 128,435.29 = 52,788.36 : x
  2. Step 2: Convert to fraction form
    93,047.84/128,435.29 = 52,788.36/x
  3. Step 3: Cross multiply
    93,047.84x = 128,435.29 × 52,788.36
  4. Step 4: Simplify right side
    93,047.84x = 6,779,888,325.22
  5. Step 5: Solve for x
    x = 6,779,888,325.22/93,047.84
  6. Step 6: Final answer
    x = 72,864.54

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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.